Operational Efficiency Forecasting Model of an Existing Underground Mine Using Grey System Theory and Stochastic Diffusion Processes

Table 6

Sum of the major and influencing sequence variables.

DOL(k)	1.219	1.421	1.334	1.677	1.437
X1(k)	100000	95000	100000	100000	100000
X2(k)	1200000	1500000	1100000	1400000	1600000
X3(k)	11065884	10773876	10137834	9145278	10823136
X4(k)	4387000	5714000	5740000	5676000	5564000
X5(k)	330	310	340	300	320
X6(k)	90	85	93	82	88
Sum	16753305	18083273	17078268	16321662	18087545